Finding the Fourth Proportional to 109,901.30, 164,895.15 and 43,330.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,901.30 : 164,895.15 = 43,330.10 : x
2. Step 2: Convert to fraction form
   109,901.30/164,895.15 = 43,330.10/x
3. Step 3: Cross multiply
   109,901.30x = 164,895.15 × 43,330.10
4. Step 4: Simplify right side
   109,901.30x = 7,144,923,339.02
5. Step 5: Solve for x
   x = 7,144,923,339.02/109,901.30
6. Step 6: Final answer
   x = 65,012.18